Core/Quests: Add script for quest The Thunderspike.

Closes #4458.

src/server/scripts/Outland/blades_edge_mountains.cpp

@@ -30,6 +30,7 @@ npc_daranelle
 npc_overseer_nuaar
 npc_saikkal_the_elder
 go_legion_obelisk
+go_thunderspike
 EndContentData */
 
 #include "ScriptPCH.h"
@@ -537,9 +538,32 @@ public:
 };
 
 /*######
-## AddSC
+## go_thunderspike
 ######*/
 
+enum TheThunderspike
+{
+    NPC_GOR_GRIMGUT     = 21319,
+    QUEST_THUNDERSPIKE  = 10526,
+};
+
+class go_thunderspike : public GameObjectScript
+{
+    public:
+        go_thunderspike() : GameObjectScript("go_thunderspike") { }
+
+        bool OnGossipHello(Player* player, GameObject* go)
+        {
+            if (player->GetQuestStatus(QUEST_THUNDERSPIKE) == QUEST_STATUS_INCOMPLETE)
+            {
+                if (Creature* gorGrimgut = go->SummonCreature(NPC_GOR_GRIMGUT, -2413.4f, 6914.48f, 25.01f, 3.67f, TEMPSUMMON_TIMED_DESPAWN_OUT_OF_COMBAT, 300000))
+                    gorGrimgut->AI()->AttackStart(player);
+            }
+
+            return true;
+        }
+};
+
 void AddSC_blades_edge_mountains()
 {
     new mobs_bladespire_ogre();
@@ -550,4 +574,5 @@ void AddSC_blades_edge_mountains()
     new go_legion_obelisk();
     new npc_bloodmaul_brutebane();
     new npc_ogre_brute();
+    new go_thunderspike();
 }